... line, the digital control drilling machine, optical painting equipment ,exposing machine, developing machine, spraying tin machine, Etching ... line. The digital control drilling machine, optical painting equipment, exposing machine, developing machine, spraying tin machine and ... linear measure≤ 1.5%≤ 0.5%≤ 0.5%insulation resistance≥ 10Ω≥ 10Ω≥ 10Ωtest voltage50-100DCV100DCV100-200DCVfinished product ...